I think its the third one. Hope I'm right, and hope I helped you.
I would say that you would only use them when you are writing in the thousands or more other than that u don't use them
The text that supports the idea that Kovaloff is intimidated by his nose is: "you should know where you belong". The correct answer would be option A. Being intimidated is being frightened or not confident on a certain situation. In this case, this statement indicates that Kovaloff is indeed intimidated by his nose.
Juliet's because she worked so hard to be with Romeo and he positioned himself thinking she was dead and then she fell on his weapon.
so tragic that one death caused a nother.
Maybe when the writer uses italics in their righting, or if a character is saying something, they show the tone. If context could help, pay attention to that :)